Abstract
Under wide-range variations in output current and voltage, dual-Active-bridge (DAB) converter can operate with increased conduction and switching loss. A variable frequency-based power modulation scheme for an LC-Type series resonant DAB converter is presented to achieve minimum-Tank-current operation along with full-range soft switching. The proposed minimum-Tank-current operation establishes an in-phase relationship between tank current and secondary-side voltage (low voltage and high current), which allows the switching devices of DAB converter to operate in soft-switching region. Resonant transitions of parasitic capacitances within the dead-Time interval of switching devices are considered to avoid incomplete soft switching. Simulation and experimental results show the effectiveness of the proposed method with a maximum efficiency of 96.8 %.
| Original language | English |
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| Title of host publication | 2017 IEEE 18th Workshop on Control and Modeling for Power Electronics, COMPEL 2017 |
| Publisher | IEEE |
| ISBN (Electronic) | 9781509053261 |
| DOIs | |
| Publication status | Published - 18 Aug 2017 |
| Event | 18th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2017 - Stanford University, Stanford, United States Duration: 9 Jul 2017 → 12 Jul 2017 |
Conference
| Conference | 18th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2017 |
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| Country/Territory | United States |
| City | Stanford |
| Period | 9/07/17 → 12/07/17 |
Keywords
- conduction loss
- DC-DC converter
- dead-Time
- dual-Active-bridge
- frequency modulation
- micro-grid
- super-capacitor
- switching loss
- zero-voltage switching
ASJC Scopus subject areas
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering
- Control and Optimization
- Modelling and Simulation